The app can be downloaded from the Mac App Store. You can download the basic version for free and then
pay a one-time fee in the app if you like it.
Download on the Mac App Store
Full version via In-App purchase, easy update handling, no license key required, payment via Apple.
The basic version can be downloaded for free from the App Store and allows testing of all features before purchase.
The price depends on your region + sales taxes and is displayed in the respective store. All purchases are
one-time purchases (updates included, no additional fees, no subscription).